Does Pressure Distribute Evenly in Water Columns?

In summary, the conversation discusses whether the pressure for a 1 inch diameter area of water would be the same as the force from the whole area of water. The speaker believes that the pressure is evenly distributed and will be the same for every square inch, but their calculations show otherwise. The other person explains that the pressure at the bottom of a static column of water is uniform and that force is determined by pressure multiplied by area. They suggest that the question may be asking for the pressure at the surface, which would be the force divided by the area.
  • #1
Idea04
194
1
If you applied a force to a 1 foot diameter column of water and wanted to determine the pressure for only 1 inch diameter area of water would you only take the force directly above that 1 inch diameter. Or would the force for 1 inch diameter be the same as the force from the whole area of water.
I think the pressure is evenly distributed and it will all be the same force for every square inch but my calculations show otherwise.
 
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  • #2
The pressure at the bottom of a static column of water is uniform. More area means more force, because force is pressure multiplied by area:

F = P * A
 
  • #3
Force can be applied to a 1-foot diameter column of water,
but it is peculiar to ask what the Pressure is for a 1-inch diameter Area,
because Pressure is the Force through a 1-square-inch Area.

Probably the question wanted you to compute the Pressure for the surface,
which would be the Force divided by the Area (ie, about F / 110sq.in).
 

Related to Does Pressure Distribute Evenly in Water Columns?

1. What is pressure distribution in water columns?

Pressure distribution in water columns refers to how pressure is spread out or distributed throughout a column of water. This can vary depending on the depth and density of the water, as well as any external forces acting on the water column.

2. Does pressure distribute evenly in water columns?

No, pressure does not distribute evenly in water columns. As water gets deeper, the weight of the water above increases, causing the pressure to increase as well. This results in higher pressure at the bottom of the water column compared to the top.

3. What factors affect pressure distribution in water columns?

The main factors that affect pressure distribution in water columns are depth, density, and external forces. As depth increases, so does pressure. Similarly, as density increases, pressure also increases. External forces such as wind, currents, and tides can also impact pressure distribution in water columns.

4. How does pressure distribution in water columns affect marine life?

Pressure distribution in water columns can have a significant impact on marine life. As pressure increases with depth, it can limit the types of organisms that can survive in certain areas. This is why certain species are found only at certain depths in the ocean. Pressure can also affect the behavior and physiology of marine animals, such as their ability to regulate gas exchange and buoyancy.

5. Can pressure distribution in water columns be measured?

Yes, pressure distribution in water columns can be measured using various instruments such as pressure gauges, sonar, and underwater sensors. These tools allow scientists to collect data on pressure at different depths and locations in the ocean, providing valuable information about the distribution of pressure in water columns.

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